Как можно определить и измерить время обработки каждого запроса в приложениях, написанных на .NET Framework?

There are several approaches to measuring the processing time of each request in .NET Framework applications:

1. Using the Stopwatch class from the System.Diagnostics namespace.
   • A Stopwatch is started at the beginning of request processing.
   • After processing is complete, it is stopped and the time is recorded.

using System.Diagnostics;

public void ProcessRequest()
{
    Stopwatch stopwatch = Stopwatch.StartNew();
    // Request processing logic
    stopwatch.Stop();
    Console.WriteLine($"Processing time: {stopwatch.ElapsedMilliseconds} ms");
}

2. Middleware or filters (e.g., in ASP.NET MVC/Web API)

   • You can create a filter that starts a timer before processing begins and stops it afterward.

3. Using built-in logging and monitoring tools

   • Application Insights, ELMAH, and other tools can automatically collect processing time metrics.

Thus, for simple measurement, Stopwatch is sufficient, and for comprehensive monitoring, integrating specialized tools is recommended.